How do you calculate stress

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.

What is an electric motor? explain its operation. 2-3 sentence